GHSA-f7fv-v9rh-prvc

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GHSA-f7fv-v9rh-prvc

Summary: Tornado CRLF injection vulnerability

Details: CRLF injection vulnerability in the `tornado.web.RequestHandler.set_header` function in Tornado before 2.2.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input.

References: https://nvd.nist.gov/vuln/detail/CVE-2012-2374, https://github.com/tornadoweb/tornado/commit/1ae91f6d58e6257e0ab49d295d8741ce1727bdb7, https://github.com/pypa/advisory-database/tree/main/vulns/tornado/PYSEC-2012-5.yaml, https://github.com/tornadoweb/tornado, https://web.archive.org/web/20140720192646/http://secunia.com/advisories/49185, https://web.archive.org/web/20200229124524/http://www.securityfocus.com/bid/53612, http://openwall.com/lists/oss-security/2012/05/18/12, http://www.openwall.com/lists/oss-security/2012/05/18/6, http://www.tornadoweb.org/documentation/releases/v2.2.1.html